建议学一下STL，你就会发现，可能 `lower_bound`会比你手写的二分好用一点
by 半只蒟蒻 @ 2023-10-30 21:12:32
你 printf 干嘛加地址符？
by Razer_System @ 2023-10-30 21:18:20
```cpp
printf("%d ", &a[i]);
```
咩？
by BGM114514 @ 2023-10-30 21:33:23
@[半只蒟蒻](/user/112049) @[Razer_System](/user/766788) @[BGM114514](/user/705058) 谢谢！
by Study_zzy @ 2023-10-31 21:43:26